trying to get my air fuel tuned

ok guys im trying to get my air fuel adjusted and kinda having problems im full lean at idle and full rich at wot actually im full rich from half to full throttle but am good at cruzing speed just normal driving I stay anywhere from 13 to 15 on my afr and im trying to adjust on the afr adjusted on the main ve vs rpm vs map but its not looking very good on my graph and is the fact that im running a 160 stat making it hard to tune or am I too worried about making the graph look smooth oh yea im using a aem wideband